code: def config_path(cls):
      return "configs/datasets/vqa2/masked_q.yaml"
  
file_path: mmf/mmf/datasets/builders/vqa2/masked_q_vqa2_builder.py
imports: import os
  import warnings
  from mmf.common.registry import registry
  from mmf.datasets.builders.vqa2.builder import VQA2Builder
  from mmf.datasets.builders.vqa2.masked_q_vqa2_dataset import MaskedQVQA2Dataset
  from mmf.datasets.concat_dataset import MMFConcatDataset
label_desc: Use image node_id 2 for calling the MaskedQVQA2Builder obj's underlying member method code with example usage: obj.config_path(cls) and returns: str